What is the final value of i？（）

A. Compilation succeeds and 1 is printed.
B. complication succeeds and 2 is printed.
C. An error at line 8 causes compilation to fail.
D. An error at line 13 causes complication to fail.
E. An error at line 14 causes compilation to fail.

A. void setVar（float f） { x = f；}
B. public void setVar（int f） { x =f；}
C. public void setVar（float f） {return f；}
D. public double setVar（float f） {return f；}
E. protected float setVar（） { x = 3.0f； return 3.0f； }